🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.2

Radius: 13.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 8 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,620,515 km

• M1: 168,298 km (0.051 R)
• M2: 594,652 km (0.118 R)
• M3: 1,079,049 km (0.084 R)
• M4: 1,582,147 km (0.079 R)
• M5: 2,084,497 km (0.058 R)
• M6: 2,626,639 km (0.111 R)
• M7: 3,148,138 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.6

Radius: 11.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.57 AU - 1.67 AU

Year: 1399 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,620,515 km

• M1: 150,795 km (0.049 R)
• M2: 720,164 km (0.057 R)
• M3: 1,094,458 km (0.089 R)
• M4: 1,709,604 km (0.109 R)
• M5: 2,088,087 km (0.092 R)
• M6: 2,907,285 km (0.039 R)
• M7: 3,678,911 km (0.1 R)
• M8: 5,231,737 km (0.065 R)
• M9: 6,759,281 km (0.109 R)
• M10: 7,697,409 km (0.118 R)
• M11: 8,361,324 km (0.111 R)
• M12: 8,824,928 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 11

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.87 AU - 2.83 AU

Year: 2443 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,620,515 km

• M1: 136,882 km (0.102 R)
• M2: 485,744 km (0.11 R)
• M3: 923,468 km (0.076 R)
• M4: 1,403,527 km (0.083 R)
• M5: 1,805,497 km (0.058 R)
• M6: 2,203,427 km (0.101 R)
• M7: 2,928,079 km (0.114 R)
• M8: 3,355,480 km (0.119 R)
• M9: 3,746,529 km (0.067 R)
• M10: 4,710,987 km (0.066 R)
• M11: 5,325,385 km (0.1 R)
• M12: 5,755,479 km (0.07 R)
• M13: 6,628,233 km (0.106 R)
• M14: 7,462,391 km (0.055 R)
• M15: 8,034,602 km (0.032 R)
• M16: 9,374,999 km (0.034 R)
• M17: 9,816,014 km (0.054 R)
• M18: 10,194,048 km (0.089 R)
• M19: 10,899,102 km (0.07 R)
• M20: 12,494,265 km (0.084 R)
• M21: 15,831,045 km (0.108 R)
• M22: 17,482,755 km (0.102 R)
• M23: 18,095,508 km (0.102 R)
• M24: 20,080,672 km (0.096 R)
• M25: 20,445,391 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.8

Radius: 14.5

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.78 AU - 2.92 AU

Year: 2443 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,620,515 km

• M1: 180,265 km (0.084 R)
• M2: 648,357 km (0.091 R)
• M3: 1,884,484 km (0.03 R)
• M4: 2,975,352 km (0.092 R)
• M5: 3,453,916 km (0.076 R)
• M6: 4,502,896 km (0.067 R)
• M7: 5,228,595 km (0.089 R)
• M8: 6,547,300 km (0.117 R)
• M9: 7,003,574 km (0.094 R)
• M10: 7,763,531 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272

Radius: 13.1

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.92 AU - 4.7 AU

Year: 5044 Days

Day: 13.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,620,515 km

• M1: 162,912 km (0.119 R)
• M2: 613,800 km (0.053 R)
• M3: 1,034,020 km (0.093 R)
• M4: 1,487,601 km (0.043 R)
• M5: 1,974,542 km (0.11 R)
• M6: 2,983,281 km (0.111 R)
• M7: 3,443,593 km (0.113 R)
• M8: 4,310,363 km (0.113 R)
• M9: 5,046,086 km (0.1 R)
• M10: 5,945,169 km (0.095 R)
• M11: 6,476,541 km (0.087 R)
• M12: 7,474,807 km (0.115 R)
• M13: 9,814,668 km (0.096 R)
• M14: 11,130,979 km (0.118 R)
• M15: 12,159,913 km (0.112 R)
• M16: 14,857,163 km (0.112 R)
• M17: 15,524,220 km (0.062 R)
• M18: 18,452,598 km (0.11 R)
• M19: 19,892,777 km (0.064 R)
• M20: 20,893,587 km (0.098 R)
• M21: 21,536,109 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.7

Radius: 14.7

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.44 AU - 4.76 AU

Year: 5631 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,620,515 km

• M1: 184,005 km (0.077 R)
• M2: 699,520 km (0.108 R)
• M3: 1,159,084 km (0.111 R)
• M4: 2,492,151 km (0.111 R)
• M5: 5,544,845 km (0.101 R)
• M6: 6,557,323 km (0.075 R)
• M7: 10,305,199 km (0.084 R)
• M8: 10,786,605 km (0.06 R)
• M9: 11,556,436 km (0.088 R)
• M10: 14,635,758 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.5

Radius: 10.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.48 AU - 5.4 AU

Year: 6345 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,620,515 km

• M1: 135,386 km (0.105 R)
• M2: 484,847 km (0.078 R)
• M3: 1,497,923 km (0.116 R)
• M4: 1,973,645 km (0.093 R)
• M5: 2,797,929 km (0.092 R)
• M6: 4,055,449 km (0.056 R)
• M7: 4,711,136 km (0.11 R)
• M8: 7,405,095 km (0.09 R)
• M9: 8,025,477 km (0.087 R)
• M10: 8,906,160 km (0.111 R)
• M11: 12,837,442 km (0.114 R)
• M12: 18,470,849 km (0.098 R)
• M13: 21,001,147 km (0.039 R)
• M14: 25,102,224 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.3

Radius: 9.6

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.66 AU - 5.4 AU

Year: 7651 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,620,515 km

• M1: 119,379 km (0.111 R)
• M2: 442,211 km (0.054 R)
• M3: 769,531 km (0.079 R)
• M4: 1,336,956 km (0.096 R)
• M5: 4,228,833 km (0.113 R)
• M6: 5,880,543 km (0.101 R)
• M7: 7,474,209 km (0.113 R)
• M8: 8,092,646 km (0.119 R)
• M9: 16,142,807 km (0.067 R)
• M10: 17,960,421 km (0.077 R)
• M11: 24,315,638 km (0.056 R)
• M12: 28,532,652 km (0.103 R)
• M13: 34,993,635 km (0.065 R)
• M14: 38,501,854 km (0.071 R)
• M15: 44,193,605 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113

Radius: 5.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.02 AU - 6.7 AU

Year: 9621 Days

Day: 15.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,620,515 km

• M1: 73,453 km (0.048 R)
• M2: 548,725 km (0.059 R)
• M3: 749,485 km (0.096 R)
• M4: 1,346,530 km (0.104 R)
• M5: 1,808,489 km (0.11 R)
• M6: 2,132,966 km (0.086 R)
• M7: 2,339,860 km (0.072 R)
• M8: 2,692,014 km (0.095 R)
• M9: 3,383,156 km (0.094 R)
• M10: 5,619,195 km (0.09 R)
• M11: 5,929,312 km (0.099 R)
• M12: 6,522,318 km (0.097 R)
• M13: 7,154,219 km (0.034 R)
• M14: 7,586,258 km (0.106 R)
• M15: 10,937,549 km (0.096 R)
• M16: 11,465,929 km (0.054 R)
• M17: 13,301,195 km (0.083 R)
• M18: 16,097,030 km (0.114 R)
• M19: 16,379,471 km (0.089 R)
• M20: 21,632,899 km (0.107 R)
• M21: 23,534,139 km (0.095 R)
• M22: 24,861,670 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 16,679 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit